[ 2675.700109][ C2] ================================================================== [ 2675.700355][ C2] BUG: KASAN: null-ptr-deref in sock_def_write_space_wfree+0x210/0x360 [ 2675.700569][ C2] Read of size 8 at addr 0000000000000008 by task swapper/2/0 [ 2675.700774][ C2] [ 2675.700850][ C2] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.9.0-rc2-virtme #1 [ 2675.701051][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2675.701362][ C2] Call Trace: [ 2675.701470][ C2] [ 2675.701541][ C2] dump_stack_lvl+0x82/0xd0 [ 2675.701685][ C2] kasan_report+0xbd/0xf0 [ 2675.701789][ C2] ? sock_def_write_space_wfree+0x210/0x360 [ 2675.701964][ C2] kasan_check_range+0x39/0x1c0 [ 2675.702104][ C2] sock_def_write_space_wfree+0x210/0x360 [ 2675.702241][ C2] sock_wfree+0x25f/0x3e0 [ 2675.702343][ C2] skb_release_head_state+0x7a/0x1e0 [ 2675.702481][ C2] consume_skb+0x76/0x110 [ 2675.702585][ C2] dummy_xmit+0x106/0x170 [ 2675.702685][ C2] ? trace_net_dev_start_xmit+0xff/0x170 [ 2675.702823][ C2] dev_hard_start_xmit+0x10e/0x360 [ 2675.702965][ C2] sch_direct_xmit+0x203/0x11c0 [ 2675.703106][ C2] ? __pfx_sch_direct_xmit+0x10/0x10 [ 2675.703242][ C2] __qdisc_run+0x1cd/0x3d0 [ 2675.703376][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2675.703513][ C2] ? __pfx___qdisc_run+0x10/0x10 [ 2675.703648][ C2] ? do_raw_spin_lock+0x131/0x270 [ 2675.703784][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2675.703918][ C2] ? lock_acquire+0x32/0xc0 [ 2675.704053][ C2] ? net_tx_action+0x3a5/0x680 [ 2675.704186][ C2] net_tx_action+0x3f6/0x680 [ 2675.704320][ C2] __do_softirq+0x1f8/0x5df [ 2675.704457][ C2] irq_exit_rcu+0x97/0xc0 [ 2675.704559][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 2675.704699][ C2] [ 2675.704768][ C2] [ 2675.704837][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2675.705005][ C2] RIP: 0010:default_idle+0xf/0x20 [ 2675.705146][ C2] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 cc 32 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 2675.705613][ C2] RSP: 0018:ffffc9000015fdf8 EFLAGS: 00000246 [ 2675.705790][ C2] RAX: 0000000005c9be55 RBX: 1ffff9200002bfc1 RCX: ffffffffa4534e95 [ 2675.705989][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa1cac0e4 [ 2675.706185][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ee709c [ 2675.706381][ C2] R10: ffff88802f7384e3 R11: ffff88802f73de40 R12: 0000000000000000 [ 2675.706579][ C2] R13: ffff888001b8c5c0 R14: dffffc0000000000 R15: 0000000000000000 [ 2675.706784][ C2] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 2675.706927][ C2] ? cpuidle_idle_call+0x1f4/0x280 [ 2675.707063][ C2] default_idle_call+0x6d/0xb0 [ 2675.707199][ C2] cpuidle_idle_call+0x1f4/0x280 [ 2675.707332][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 2675.707465][ C2] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 2675.707601][ C2] do_idle+0xf9/0x160 [ 2675.707702][ C2] cpu_startup_entry+0x54/0x60 [ 2675.707848][ C2] start_secondary+0x21c/0x2b0 [ 2675.707982][ C2] ? __pfx_start_secondary+0x10/0x10 [ 2675.708117][ C2] common_startup_64+0x12c/0x138 [ 2675.708255][ C2] [ 2675.708353][ C2] ================================================================== [ 2675.708579][ C2] Disabling lock debugging due to kernel taint [ 2675.708778][ C2] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 2675.709069][ C2] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 2675.709261][ C2] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G B 6.9.0-rc2-virtme #1 [ 2675.709488][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2675.709783][ C2] RIP: 0010:sock_def_write_space_wfree+0x221/0x360 [ 2675.709955][ C2] Code: 00 4c 8b bb a0 01 00 00 be 08 00 00 00 4d 8d 77 08 4c 89 f7 e8 e0 0e 8b fe 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 fe 00 00 00 49 8b 47 08 a8 04 0f 85 dc fe ff ff [ 2675.710415][ C2] RSP: 0018:ffffc90000230c30 EFLAGS: 00010202 [ 2675.710579][ C2] RAX: dffffc0000000000 RBX: ffff888006740040 RCX: ffffffffa1b9564a [ 2675.710776][ C2] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffffa70fda00 [ 2675.710973][ C2] RBP: ffff8880067400a0 R08: 0000000000000001 R09: fffffbfff4e1fb40 [ 2675.711168][ C2] R10: ffffffffa70fda07 R11: 205d324320202020 R12: 0000000000000000 [ 2675.711361][ C2] R13: ffff8880067401c0 R14: 0000000000000008 R15: 0000000000000000 [ 2675.711556][ C2] FS: 0000000000000000(0000) GS:ffff88802f700000(0000) knlGS:0000000000000000 [ 2675.711789][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2675.711957][ C2] CR2: 00007ff3507c3ac0 CR3: 0000000036738003 CR4: 0000000000770ef0 [ 2675.712154][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2675.712350][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2675.712547][ C2] PKRU: 55555554 [ 2675.712647][ C2] Call Trace: [ 2675.712750][ C2] [ 2675.712818][ C2] ? die_addr+0x41/0xa0 [ 2675.712919][ C2] ? exc_general_protection+0x149/0x220 [ 2675.713053][ C2] ? asm_exc_general_protection+0x26/0x30 [ 2675.713189][ C2] ? add_taint+0x2a/0x90 [ 2675.713289][ C2] ? sock_def_write_space_wfree+0x221/0x360 [ 2675.713452][ C2] sock_wfree+0x25f/0x3e0 [ 2675.713553][ C2] skb_release_head_state+0x7a/0x1e0 [ 2675.713690][ C2] consume_skb+0x76/0x110 [ 2675.713788][ C2] dummy_xmit+0x106/0x170 [ 2675.713888][ C2] ? trace_net_dev_start_xmit+0xff/0x170 [ 2675.714018][ C2] dev_hard_start_xmit+0x10e/0x360 [ 2675.714152][ C2] sch_direct_xmit+0x203/0x11c0 [ 2675.714289][ C2] ? __pfx_sch_direct_xmit+0x10/0x10 [ 2675.714421][ C2] __qdisc_run+0x1cd/0x3d0 [ 2675.714551][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 2675.714685][ C2] ? __pfx___qdisc_run+0x10/0x10 [ 2675.714816][ C2] ? do_raw_spin_lock+0x131/0x270 [ 2675.714945][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 2675.715076][ C2] ? lock_acquire+0x32/0xc0 [ 2675.715204][ C2] ? net_tx_action+0x3a5/0x680 [ 2675.715338][ C2] net_tx_action+0x3f6/0x680 [ 2675.715466][ C2] __do_softirq+0x1f8/0x5df [ 2675.715597][ C2] irq_exit_rcu+0x97/0xc0 [ 2675.715697][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 2675.715829][ C2] [ 2675.715899][ C2] [ 2675.715965][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2675.716127][ C2] RIP: 0010:default_idle+0xf/0x20 [ 2675.716262][ C2] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 cc 32 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 2675.716719][ C2] RSP: 0018:ffffc9000015fdf8 EFLAGS: 00000246 [ 2675.716885][ C2] RAX: 0000000005c9be55 RBX: 1ffff9200002bfc1 RCX: ffffffffa4534e95 [ 2675.717084][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa1cac0e4 [ 2675.717276][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ee709c [ 2675.717470][ C2] R10: ffff88802f7384e3 R11: ffff88802f73de40 R12: 0000000000000000 [ 2675.717671][ C2] R13: ffff888001b8c5c0 R14: dffffc0000000000 R15: 0000000000000000 [ 2675.717882][ C2] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 2675.718019][ C2] ? cpuidle_idle_call+0x1f4/0x280 [ 2675.718152][ C2] default_idle_call+0x6d/0xb0 [ 2675.718360][ C2] cpuidle_idle_call+0x1f4/0x280 [ 2675.718492][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 2675.718622][ C2] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 2675.718754][ C2] do_idle+0xf9/0x160 [ 2675.718930][ C2] cpu_startup_entry+0x54/0x60 [ 2675.719060][ C2] start_secondary+0x21c/0x2b0 [ 2675.719193][ C2] ? __pfx_start_secondary+0x10/0x10 [ 2675.719324][ C2] common_startup_64+0x12c/0x138 [ 2675.719533][ C2] [ 2675.719629][ C2] Modules linked in: sch_fq act_gact cls_flower sch_ingress vxlan [ 2675.719857][ C2] ---[ end trace 0000000000000000 ]--- [ 2675.719989][ C2] RIP: 0010:sock_def_write_space_wfree+0x221/0x360 [ 2675.720164][ C2] Code: 00 4c 8b bb a0 01 00 00 be 08 00 00 00 4d 8d 77 08 4c 89 f7 e8 e0 0e 8b fe 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 fe 00 00 00 49 8b 47 08 a8 04 0f 85 dc fe ff ff [ 2675.720643][ C2] RSP: 0018:ffffc90000230c30 EFLAGS: 00010202 [ 2675.720811][ C2] RAX: dffffc0000000000 RBX: ffff888006740040 RCX: ffffffffa1b9564a [ 2675.721013][ C2] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffffa70fda00 [ 2675.721386][ C2] RBP: ffff8880067400a0 R08: 0000000000000001 R09: fffffbfff4e1fb40 [ 2675.721589][ C2] R10: ffffffffa70fda07 R11: 205d324320202020 R12: 0000000000000000 [ 2675.721804][ C2] R13: ffff8880067401c0 R14: 0000000000000008 R15: 0000000000000000 [ 2675.722076][ C2] FS: 0000000000000000(0000) GS:ffff88802f700000(0000) knlGS:0000000000000000 [ 2675.722316][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2675.722579][ C2] CR2: 00007ff3507c3ac0 CR3: 0000000036738003 CR4: 0000000000770ef0 [ 2675.722779][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2675.722982][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2675.723181][ C2] PKRU: 55555554 [ 2675.723287][ C2] Kernel panic - not syncing: Fatal exception in interrupt [ 2675.723718][ C2] Kernel Offset: 0x20800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 2675.724022][ C2] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr